diff --git a/tools/b64decode/.gitignore b/tools/b64decode/.gitignore
new file mode 100644
index 0000000..f23863d
--- /dev/null
+++ b/tools/b64decode/.gitignore
@@ -0,0 +1,2 @@
+*.ldif
+*.b64decoded
diff --git a/tools/b64decode/base64decode.py b/tools/b64decode/base64decode.py
new file mode 100755
index 0000000..7f12100
--- /dev/null
+++ b/tools/b64decode/base64decode.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+
+
+""" Affiche en human readable un ldif (de slapcat, par exemple)
+    en décodant les parties en base64 """
+
+import re
+import base64
+import sys
+
+regexp = re.compile("(?P<cle>[A-Za-z]*):: (?P<valeur>(?:[A-Za-z0-9/+]*(?:\n )?)*={0,3})")
+
+def remplace(objet):
+    groups = objet.groupdict()
+    return "%s: %s" % (groups["cle"], base64.b64decode(groups["valeur"]))
+
+
+def perform(texte):
+    return re.sub(regexp, remplace, texte)
+
+if __name__ == "__main__":
+    filename = sys.argv[1]
+    with open(filename) as f:
+        texte = f.read()
+    with open(filename + ".b64decoded", "w") as g:
+        g.write(perform(texte).replace("\n ", ""))
+    print "Done :)"